callable

1. not comparablecomputingThat can be called.

   The list of server tasks is a compromise between only one task for all remotely callable subprograms and one task for each remotely callable subprogram.

   1989, Angel Alvarez, Ada: The Design Choice

   1 more example

   Historically, all viable frameworks have always provided a mechanism to implement callbacks. C# goes one step further and encapsulates callbacks into callable objects called delegates.

   2010, Trey Nash, Accelerated C# 2010, page xxvi

2. not comparablebusinessThat may be redeemed by its holder before it matures.

plural callables

1. computingAn object of a type that can be called, such as a function.

   The ctypes module can be used to create Python callables that wrap around arbitrary memory addresses.

   2013, David Beazley, Brian K. Jones, Python Cookbook: Recipes for Mastering Python 3

2. businessA callable bond.